a place that you tend to slip into once you've engaged yourself in some marijuana usage.
a place in the couch that your body fits perfectly in.
when you finally settle and get comfortable.
"dude, get out of the crevice!"
stoner#1: "hit this bowl man"
stoner#2: "nah man, i'm already in the crevice!"
"everytime i get high some how i find myself in the crevice!"